10K gold pendant awarded to Harry Alonso Winne, who served as the former vice president of General Electric and chairman of the Defense Department's panel on atomic energy. Gifted by Kellex Co., a subsidiary of M. W. Kellogg Company, that was created in 1942 to separate and keep secret operations related to the Manhattan Project.
Reverse inscribed "H.A. Winne" and reads "The Kellex Co. Atomic Bomb 1943-1945", stamped "LGB" and "10K".